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Results 1 - 4 of 4 for nilcheckelim (0.2 sec)
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src/cmd/compile/internal/ssa/nilcheck_test.go
opt(fun.f) nilcheckelim(fun.f) // clean up the removed nil check fuse(fun.f, fuseTypePlain) deadcode(fun.f) CheckFunc(fun.f) for _, b := range fun.f.Blocks { if b == fun.blocks["secondCheck"] && isNilCheck(b) { t.Errorf("secondCheck was not eliminated") } } } // TestNilcheckBug reproduces a bug in nilcheckelim found by compiling math/big
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Fri Nov 17 23:34:11 UTC 2023 - 12.3K bytes - Viewed (0) -
src/cmd/compile/internal/ssa/compile.go
{"generic cse", "dse"}, // cse substantially improves nilcheckelim efficacy {"generic cse", "nilcheckelim"}, // allow deadcode to clean up after nilcheckelim {"nilcheckelim", "generic deadcode"}, // nilcheckelim generates sequences of plain basic blocks {"nilcheckelim", "late fuse"}, // nilcheckelim relies on opt to rewrite user nil checks {"opt", "nilcheckelim"},
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Mon Apr 22 14:55:18 UTC 2024 - 18.6K bytes - Viewed (0) -
src/cmd/compile/internal/ssa/nilcheck.go
// license that can be found in the LICENSE file. package ssa import ( "cmd/compile/internal/ir" "cmd/internal/src" "internal/buildcfg" ) // nilcheckelim eliminates unnecessary nil checks. // runs on machine-independent code. func nilcheckelim(f *Func) { // A nil check is redundant if the same nil check was successful in a // dominating block. The efficacy of this pass depends heavily on the
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Tue Oct 31 20:45:54 UTC 2023 - 11.3K bytes - Viewed (0) -
src/cmd/compile/internal/ssa/schedule.go
continue } sset.add(v.MemoryArg().ID) // record that v's memory arg is used } if v.Op == OpNilCheck { hasNilCheck = true } } if len(stores) == 0 || !hasNilCheck && f.pass.name == "nilcheckelim" { // there is no store, the order does not matter return values } // find last store, which is the one that is not used by other stores var last *Value for _, v := range stores {
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Mon Apr 08 15:53:17 UTC 2024 - 16.4K bytes - Viewed (0)